集材－50型拖拉机大平衡轴支座的改进研究  

Improvement Research on Big Balance shaft Bearing of Skidding-50 Tractor

作　　者：孙平[1] 齐兴[1] 姜鸿翼 宿其连 

机构地区：[1]吉林林学院森林工程系,吉林省红石林业局,吉林省汪清县林业局

出　　处：《吉林林学院学报》1995年第4期239-242,共4页

摘　　要：对集材－５０型拖拉机的大平衡轴前、后支座经常发生的断裂破坏，进行了力学分析和强度计算；查出大平衡轴支座原设计强度不足，提出了大平衡轴支座的改进设计．改进后可提高该支座的设计强度和可靠性，降低该支座的故障率．Mechanics analysis and intensity caculation was applied in the research about failure destroy of thefront and back bearing of skidding-50 tractor,the defection of original design intensity unenough was re- vealed and the improvement design was put forwawd.This improvement can raise reliability of the bearing and reduce fault ratio.

关 键 词：集材拖拉机 大平衡轴 支座 改进 

分 类 号：S776.325[农业科学—森林工程]